Security frameworks – CIA and AAA
CIA model describes the goals of security, while AAA framework describes a practical mechanism for achieving confidentiality and integrity in particular, by controlling and recording […]
Month: August 2026
Database development issues
Ethical Issues Collecting data about individualsCollect only the fields genuinely needed for the database system (e.g., name, contact, payment reference). Privacy concerns Customer data must […]
Common methods of encryption – early methods and weaknesses
Rotation Cipher (Caesar Cipher) Enigma (Mechanical) RC4 (Rivest Cipher 4) DES (Data Encryption Standard)
Common methods of encryption – Current best practice
Common encryption standards RSA (Rivest–Shamir–Adleman) An asymmetric encryption algorithm, one of the earliest and most widely used. Its security relies on the mathematical difficulty of […]
Cryptography
Symmetric encryptionUses a single shared (private) key to both encrypt and decrypt data. It’s fast and efficient for large amounts of data, but both parties […]